202430042 has 8 divisors (see below), whose sum is σ = 303712500. Its totient is φ = 101192544.

The previous prime is 202430027. The next prime is 202430057. The reversal of 202430042 is 240034202.

It is an interprime number because it is at equal distance from previous prime (202430027) and next prime (202430057).

It can be written as a sum of positive squares in 2 ways, for example, as 201895681 + 534361 = 14209^2 + 731^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 202430042.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4334 + ... + 20582.

Almost surely, 2^202430042 is an apocalyptic number.

202430042 is a deficient number, since it is larger than the sum of its proper divisors (101282458).

202430042 is a wasteful number, since it uses less digits than its factorization.

202430042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22480.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 202430042 is about 14227.7911848607. The cubic root of 202430042 is about 587.1625146061.

Adding to 202430042 its reverse (240034202), we get a palindrome (442464244).

The spelling of 202430042 in words is "two hundred two million, four hundred thirty thousand, forty-two".